Canon imagePRESS C850 Series Troubleshooting Manual page 8

When the above mentioned symptom has occurred, follow the procedure below, however either of the thick type fixing separation
unit and thin type fixing separation unit should be chosen according to the conditions.
Check to see if the inner paper delivery assembly is the new type or the previous type, if it is the new type follow the procedure
A, and if it is the previous type, then follow B.
A). Handling by replacing the fixing separation unit
Prepare a fixing separation unit (thin type)(FM1-R470-000).
1) Refer to the service manual to take out the fixing assembly.
2) Hold the grip [1] and open the inner paper delivery assembly [2].
3) Remove the duct [1].
- Stepped screw [2] 2 pcs
4) Remove the spring mount pin [1] and the torsion spring [2] on the rear side of the inner paper delivery assembly.
- Screw [3] 1 pcs
5) Remove the spring [1] on the front side of the inner paper delivery assembly.
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